Two social scientists follow the activities of one particular cell in a Paris section of the French Communist Party. Serious discussion at the "base" but revived orthodoxies at the top; "democratic centralism" imposed the scuttling of Eurocommunism in the late 1970s, thus hastening the time when the party will become "a declining museum piece of French labor history. . . ." An important book because of the subject and empathetic method.